Chakra can be infused when spiritual energy and physical energy are moulded together. While some Shinobi have too much chakra, like Naruto, others don’t have too big chakra reserves.
Here’s a list of 7 Naruto Characters who didn’t have much chakra.
Shikamaru is one of the best strategists in Naruto. He can use manipulate his shadow and bind other people. But, Shikamaru has relatively low chakra. He cannot hold people for a long time, which was seen in various battles.
6. Rock Lee
Rock Lee is one of the few people who can’t use Ninjutsu or Genjutsu. However, his Taijutsu skills are exceptional. When using the 8 Inner Gates, Lee can utilizes all of his chakra, but without it, he seems to be pretty low on chakra reserves.